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Table 2

Flow velocity and shear stress variations at different flow levels in typical CRs

CRPoint6,500 m3/s
15,000 m3/s
25,000 m3/s
45,000 m3/s
VτCVτCVτCVτC
Tiaoguan CR T1 0.85 2.1 0.48 1.17 4.5 0.52 1.67 10.2 0.64 1.51 6.6 0.51 
T2 0.89 4.5 0.49 1.20 5.9 0.53 1.65 9.9 0.58 1.48 6.2 0.52 
T3 1.28 2.7 0.15 1.00 3.0 0.16 1.34 5.0 0.17 0.89 1.9 0.10 
Laijiapu CR L1 0.35 0. 9 0.19 0.57 3.5 0.26 1.27 9.1 0.33 0.86 3.2 0.23 
L2 0.40 1.8 0.37 0.85 4.5 0.48 0.94 7.9 0.57 0.73 3.0 0.40 
L3 0.59 0.5 0.24 0.52 1.4 0.28 0.43 2.3 0.28 0.45 0.8 0.22 
Qigongling CR C1 0.71 3.2 0.37 0.74 5.3 0.40 1.19 11.0 0.57 1.03 2.2 0.64 
C2 0.60 2.7 0.45 0.80 5.4 0.55 1.13 7.1 0.78 0.89 5.4 0.94 
C3 0.41 0.3 0.17 0.67 0.7 0.20 0.72 1.2 0.32 0.56 2.4 0.34 
CRPoint6,500 m3/s
15,000 m3/s
25,000 m3/s
45,000 m3/s
VτCVτCVτCVτC
Tiaoguan CR T1 0.85 2.1 0.48 1.17 4.5 0.52 1.67 10.2 0.64 1.51 6.6 0.51 
T2 0.89 4.5 0.49 1.20 5.9 0.53 1.65 9.9 0.58 1.48 6.2 0.52 
T3 1.28 2.7 0.15 1.00 3.0 0.16 1.34 5.0 0.17 0.89 1.9 0.10 
Laijiapu CR L1 0.35 0. 9 0.19 0.57 3.5 0.26 1.27 9.1 0.33 0.86 3.2 0.23 
L2 0.40 1.8 0.37 0.85 4.5 0.48 0.94 7.9 0.57 0.73 3.0 0.40 
L3 0.59 0.5 0.24 0.52 1.4 0.28 0.43 2.3 0.28 0.45 0.8 0.22 
Qigongling CR C1 0.71 3.2 0.37 0.74 5.3 0.40 1.19 11.0 0.57 1.03 2.2 0.64 
C2 0.60 2.7 0.45 0.80 5.4 0.55 1.13 7.1 0.78 0.89 5.4 0.94 
C3 0.41 0.3 0.17 0.67 0.7 0.20 0.72 1.2 0.32 0.56 2.4 0.34 

V, bottom flow velocity, m/s; τ, shear stress, 10−4 Pa; C, circulation intensity; Cd, relative circulation intensity.

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